8978612 has 6 divisors (see below), whose sum is σ = 15712578. Its totient is φ = 4489304.

The previous prime is 8978573. The next prime is 8978617. The reversal of 8978612 is 2168798.

It can be written as a sum of positive squares in only one way, i.e., 7431076 + 1547536 = 2726^2 + 1244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8978612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8978617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122323 + ... + 1122330.

It is an arithmetic number, because the mean of its divisors is an integer number (2618763).

Almost surely, 2^8978612 is an apocalyptic number.

It is an amenable number.

8978612 is a deficient number, since it is larger than the sum of its proper divisors (6733966).

8978612 is a wasteful number, since it uses less digits than its factorization.

8978612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244657 (or 2244655 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 8978612 is about 2996.4332130051. The cubic root of 8978612 is about 207.8434781528.

It can be divided in two parts, 89786 and 12, that added together give a palindrome (89798).

The spelling of 8978612 in words is "eight million, nine hundred seventy-eight thousand, six hundred twelve".